I could repudiate you could repudiate he could repudiate we could repudiate you could repudiate they could repudiate
V-ing form
I could be repudiating you could be repudiating he could be repudiating we could be repudiating you could be repudiating they could be repudiating
Perfect
I could have repudiated you could have repudiated he could have repudiated we could have repudiated you could have repudiated they could have repudiated
V-ing perfect
I could have been repudiating you could have been repudiating he could have been repudiating we could have been repudiating you could have been repudiating they could have been repudiating
Negation
Simple form
I couldn't repudiate you couldn't repudiate he couldn't repudiate we couldn't repudiate you couldn't repudiate they couldn't repudiate
V-ing form
I couldn't be repudiating you couldn't be repudiating he couldn't be repudiating we couldn't be repudiating you couldn't be repudiating they couldn't be repudiating
Perfect
I couldn't have repudiated you couldn't have repudiated he couldn't have repudiated we couldn't have repudiated you couldn't have repudiated they couldn't have repudiated
V-ing perfect
I couldn't have been repudiating you couldn't have been repudiating he couldn't have been repudiating we couldn't have been repudiating you couldn't have been repudiating they couldn't have been repudiating
Interrogative form
Simple form
could I repudiate? could you repudiate? could he repudiate? could we repudiate? could you repudiate? could they repudiate?
V-ing form
could I be repudiating? could you be repudiating? could he be repudiating? could we be repudiating? could you be repudiating? could they be repudiating?
Perfect
could I have repudiated? could you have repudiated? could he have repudiated? could we have repudiated? could you have repudiated? could they have repudiated?
V-ing perfect
could I have been repudiating? could you have been repudiating? could he have been repudiating? could we have been repudiating? could you have been repudiating? could they have been repudiating?
Interro-negative form
Simple form
couldn't I repudiate? couldn't you repudiate? couldn't he repudiate? couldn't we repudiate? couldn't you repudiate? couldn't they repudiate?
V-ing form
couldn't I be repudiating? couldn't you be repudiating? couldn't he be repudiating? couldn't we be repudiating? couldn't you be repudiating? couldn't they be repudiating?
Perfect
couldn't I have repudiated? couldn't you have repudiated? couldn't he have repudiated? couldn't we have repudiated? couldn't you have repudiated? couldn't they have repudiated?
V-ing perfect
couldn't I have been repudiating? couldn't you have been repudiating? couldn't he have been repudiating? couldn't we have been repudiating? couldn't you have been repudiating? couldn't they have been repudiating?